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The role of Agricultural insect net

[Abstract]:
Insect control: After vegetables are covered with Agricultural insect net, it can basically avoid the damage of various pests such as cabbage caterpillars, diamondback moths, cabbage armyworms, Spodoptera litura, flea beetles, simian leaf beetles, aphids and so on.

1. Insect control: After vegetables are covered with Agricultural insect net, it can basically avoid the damage of various pests such as cabbage caterpillars, diamondback moths, cabbage armyworms, Spodoptera litura, flea beetles, simian leaf beetles, aphids and so on. According to the test, the control effect of Agricultural insect net on cabbage caterpillar, diamondback moth, cowpea pod borer and Liriomyza sativa is 94--97%, and the control effect on aphids is 90%.

Agricultural insect net products
2. Disease prevention: Virus disease is a catastrophic disease on a variety of vegetables, mainly transmitted by insects, especially aphids. Because the Agricultural insect net cuts off the main transmission route of pests, the infection of vegetable viruses is greatly reduced, and the control effect is about 80%.
3. Adjust the temperature, soil temperature and humidity: The test shows that in the hot July-August, in the 25-mesh white insect-proof net, the temperature in the morning and evening is the same as the open field, and at noon on a sunny day, it is about 1°C lower than the open field. From March to April in early spring, the temperature in the agricultural insect net covered shed is 1-2°C higher than that in the open field, and the temperature in the 5 cm ground is 0.5-1°C higher than that in the open field, which can effectively prevent frost. The rain in the agricultural insect net room can reduce the precipitation in the net room, and on sunny days, the evaporation in the net room can be reduced.
4. Shade strong light: The intensity of light in summer is high, and strong light will inhibit the vegetative growth of vegetable crops, especially leafy vegetables, while Agricultural insect net can play a certain role in shading and preventing direct light from strong light, 20-22 mesh silver-gray The general shading rate of Agricultural insect net is 20-25%.